| McAlester to Oberkirch | 5,016.42 mi (8,073.15 km) |
| McAlester to Obernburg am Main | 5,006.19 mi (8,056.69 km) |
| McAlester to Obernkirchen | 4,912.88 mi (7,906.52 km) |
| McAlester to Oberschleissheim | 5,159.06 mi (8,302.71 km) |
| McAlester to Oberstdorf | 5,144.07 mi (8,278.59 km) |
| McAlester to Obertraubling | 5,152.31 mi (8,291.83 km) |
| McAlester to Obertshausen | 4,986.11 mi (8,024.37 km) |
| McAlester to Oberursel | 4,971.43 mi (8,000.75 km) |
| McAlester to Ochsenfurt | 5,047.76 mi (8,123.58 km) |
| McAlester to Ochsenhausen | 5,105.24 mi (8,216.10 km) |
| McAlester to Ochtrup | 4,846.34 mi (7,799.43 km) |
| McAlester to Odenthal | 4,886.58 mi (7,864.19 km) |
| McAlester to Oelde | 4,894.58 mi (7,877.06 km) |
| McAlester to Oelsnitz | 5,093.63 mi (8,197.41 km) |
| McAlester to Oer-Erkenschwick | 4,869.12 mi (7,836.10 km) |
